/Engine/Plugins/Runtime/XRBase/Source/XRBase/Public/MotionTrackedDeviceFunctionLibrary.h
Enable tracking of the specified controller, by player index and tracked device type.
(Boolean) true if the specified device is now set to be tracked. This could fail due to tracking limits, or on invalid input.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Input|MotionTracking") static bool EnableMotionTrackingOfSource ( int32 PlayerIndex, [FName](API\Runtime\Core\UObject\FName) SourceName )